JPH0414506U - - Google Patents
Info
- Publication number
- JPH0414506U JPH0414506U JP5686090U JP5686090U JPH0414506U JP H0414506 U JPH0414506 U JP H0414506U JP 5686090 U JP5686090 U JP 5686090U JP 5686090 U JP5686090 U JP 5686090U JP H0414506 U JPH0414506 U JP H0414506U
- Authority
- JP
- Japan
- Prior art keywords
- port
- pressure oil
- housing
- tank
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Vehicle Body Suspensions (AREA)
- Servomotors (AREA)
Description
第１図は本考案に係る制御弁の縦断正面図、第
２図は従来のサスペンシヨンシステムの油圧制御
回路である。
９……ハウジング、１８……スリーブ、１９…
…弁孔、２０……チエツクバルブ、２１……プツ
シユロツド、２２……パイロツト切換弁、２９…
…オリフイス、Ｐ……ポンプポート、Ｔ……タン
クポート、Ｐｓ……圧油供給ポート、Ｐｒ１，Ｐ
ｒ２……リターンポート、Ｐ′，Ｔ′，Ｐ′ｓ，
Ｐｒ１′，Ｐｒ２′……ポート。
FIG. 1 is a longitudinal sectional front view of a control valve according to the present invention, and FIG. 2 is a hydraulic control circuit of a conventional suspension system. 9...Housing, 18...Sleeve, 19...
...Valve hole, 20...Check valve, 21...Push rod, 22...Pilot switching valve, 29...
...Orifice, P...Pump port, T...Tank port, Ps...Pressure oil supply port, Pr 1 , P
r 2 ...Return port, P', T', P's,
Pr 1 ′, Pr 2 ′...Port.
Claims (1)
と、タンクポートと、二つの第１，第２圧油リタ
ーンポートとを設け、ポンプポートを圧油供給ポ
ートに開閉させ、タンクポートを二つの第１，第
２圧油リターンポートに開閉させ、第１，第２圧
油リターンポートをオリフイスを介して連通させ
る制御バルブにおいて、ハウジング内にスリーブ
を着脱自在に挿入させ、スリーブには前記ハウジ
ングのポートに対応するポートと各ポートに連通
する弁孔を設け、前記弁孔内にはポンプポートを
圧油供給ポートを開閉させるチエツクバルブと、
ポンプポートの圧油で付勢されるプツシユロツド
と、プツシユロツドの移動に伴なつて第１，第２
のリターンポートをタンクポートに開閉させるチ
エツクバルブを兼ねたパイロツト切換弁とを摺動
自在に挿入させ、パイロツト切換弁には第１，第
２のリターンポートを連通させるオリフイスを設
けたことを特徴とする制御バルブ。 The housing is provided with a pump port, a pressure oil supply port, a tank port, and two first and second pressure oil return ports. In a control valve that opens and closes a second pressure oil return port and communicates the first and second pressure oil return ports through an orifice, a sleeve is removably inserted into the housing, and the sleeve corresponds to the port of the housing. a check valve for opening and closing the pump port and a pressure oil supply port;
The push rod is energized by pressure oil from the pump port, and as the push rod moves, the first and second
A pilot switching valve that also serves as a check valve for opening and closing the return port of the tank is slidably inserted into the tank port, and the pilot switching valve is provided with an orifice that communicates the first and second return ports. control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5686090U JP2528708Y2 (en) | 1990-05-30 | 1990-05-30 | Control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5686090U JP2528708Y2 (en) | 1990-05-30 | 1990-05-30 | Control valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0414506U true JPH0414506U (en) | 1992-02-05 |
| JP2528708Y2 JP2528708Y2 (en) | 1997-03-12 |
Family
ID=31581064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5686090U Expired - Lifetime JP2528708Y2 (en) | 1990-05-30 | 1990-05-30 | Control valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2528708Y2 (en) |
-
1990
- 1990-05-30 JP JP5686090U patent/JP2528708Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2528708Y2 (en) | 1997-03-12 |